What is the diffrence between index and primary key?
Answer Posted / shankar
Index is used for faster recovery of data from database
table.We have Primary index and secondary index.
Primary key is a column in a table whose values uniquely
identify the rows in the table.
A Peimary key value cannot be null..
| Is This Answer Correct ? | 13 Yes | 1 No |
Post New Answer View All Answers
What is an interface? In what scenario we use interface? What is the difference between abstract class and interface?
How to read files and process BDC's automatically ?
What are the events we use in dialog programming and explain them?
Business scenarios related to your objects( In my case -Rulebook and Pricing work flow)
Explain get cursor field?
what are the problem we face during development( if we say v are in support(development)? what are the critical problems araises during LSMW updation and Smart form layout development for involce and po? very very important questions now a days commonly asking..plz plz reply me
Can we use transfer dataset to transfer data in internal table ?
what is difference between set screen and call screen ?
How do we assign dynamic views while creating material master and generating bdc? : abap bdc
What is value table? : abap data dictionary
what precautions or prerequisites do you follow to update a record into database table and how
Type casting and error handling
What is the transaction code to display the payroll results ? : abap hr
How does the interface between the dynpro and the abap/4 modules take place?
What are the tcodes for performance tuning?